Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (65.99 USD): BG2e9d72
Coupon (114.39 USD): BGcf924d
(CouponsFromChina.com tip: apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG7f5ae5, BG3dd49f, BGb25bdb
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for DAREU A98 Type-C Wired Mechanical Keyboard 97 Keys is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).